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Proper threading support for all parts of the keep-awake process

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This commit is contained in:
Den Delimarsky 2021-05-11 19:10:15 -07:00
parent a78da90282
commit 3d8ed3905e
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GPG Key ID: E1BE1355085F0BCF
2 changed files with 54 additions and 46 deletions
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60
src/modules/espresso/Espresso/Core/APIHelper.cs
View File

@ -78,21 +78,14 @@ namespace Espresso.Shell.Core
return SetAwakeState(EXECUTION_STATE.ES_CONTINUOUS);
}
/// <summary>
/// Sets up the machine to be awake indefinitely.
/// </summary>
/// <param name="keepDisplayOn">Determines whether the display should be kept on while the machine is awake.</param>
/// <returns>Status of the attempt. True if successful, false if not.</returns>
public static bool SetIndefiniteKeepAwake(bool keepDisplayOn = true)
public static void SetIndefiniteKeepAwake(Action<bool> callback, Action failureCallback, bool keepDisplayOn = true)
{
if (keepDisplayOn)
{
return SetAwakeState(EXECUTION_STATE.ES_SYSTEM_REQUIRED | EXECUTION_STATE.ES_DISPLAY_REQUIRED | EXECUTION_STATE.ES_CONTINUOUS);
}
else
{
return SetAwakeState(EXECUTION_STATE.ES_SYSTEM_REQUIRED | EXECUTION_STATE.ES_CONTINUOUS);
}
_tokenSource = new CancellationTokenSource();
_threadToken = _tokenSource.Token;
Task.Run(() => RunIndefiniteLoop(keepDisplayOn), _threadToken)
.ContinueWith((result) => callback(result.Result), TaskContinuationOptions.OnlyOnRanToCompletion)
.ContinueWith((result) => failureCallback, TaskContinuationOptions.NotOnRanToCompletion);
}
public static void SetTimedKeepAwake(long seconds, Action<bool> callback, Action failureCallback, bool keepDisplayOn = true)
@ -105,6 +98,45 @@ namespace Espresso.Shell.Core
.ContinueWith((result) => failureCallback, TaskContinuationOptions.NotOnRanToCompletion);
}
private static bool RunIndefiniteLoop(bool keepDisplayOn = true)
{
bool success;
if (keepDisplayOn)
{
success = SetAwakeState(EXECUTION_STATE.ES_SYSTEM_REQUIRED | EXECUTION_STATE.ES_DISPLAY_REQUIRED | EXECUTION_STATE.ES_CONTINUOUS);
}
else
{
success = SetAwakeState(EXECUTION_STATE.ES_SYSTEM_REQUIRED | EXECUTION_STATE.ES_CONTINUOUS);
}
try
{
if (success)
{
_log.Info("Initiated indefinite keep awake in background thread.");
while (true)
{
if (_threadToken.IsCancellationRequested)
{
_threadToken.ThrowIfCancellationRequested();
}
}
}
else
{
_log.Info("Could not successfully set up indefinite keep awake.");
return success;
}
}
catch (OperationCanceledException ex)
{
// Task was clearly cancelled.
_log.Info($"Background thread termination. Message: {ex.Message}");
return success;
}
}
private static bool RunTimedLoop(long seconds, bool keepDisplayOn = true)
{
bool success = false;

40
src/modules/espresso/Espresso/Program.cs
View File

@ -186,38 +186,29 @@ namespace Espresso.Shell
}
}
var exitSignal = new ManualResetEvent(false);
if (pid != 0)
{
RunnerHelper.WaitForPowerToysRunner(pid, () =>
{
exitSignal.Set();
Environment.Exit(0);
});
}
new ManualResetEvent(false).WaitOne();
exitSignal.WaitOne();
}
private static void SetupIndefiniteKeepAwake(bool displayOn)
{
// Indefinite keep awake.
bool success = APIHelper.SetIndefiniteKeepAwake(displayOn);
if (success)
{
_log.Info($"Currently in indefinite keep awake. Display always on: {displayOn}");
}
else
{
var errorMessage = "Could not set up the state to be indefinite keep awake.";
_log.Info(errorMessage);
_log.Debug(errorMessage);
}
APIHelper.SetIndefiniteKeepAwake(LogCompletedKeepAwakeThread, LogUnexpectedOrCancelledKeepAwakeThreadCompletion, displayOn);
}
private static void HandleEspressoConfigChange(FileSystemEventArgs fileEvent)
{
_log.Info("Detected a settings file change. Updating configuration...");
_log.Info("Resetting keep-awake to normal state due to settings change.");
ResetNormalPowerState();
ProcessSettings();
}
@ -277,34 +268,19 @@ namespace Espresso.Shell
{
_log.Info($"Timed keep-awake. Expected runtime: {time} seconds with display on setting set to {displayOn}.");
APIHelper.SetTimedKeepAwake(time, LogTimedKeepAwakeCompletion, LogUnexpectedOrCancelledKeepAwakeCompletion, displayOn);
APIHelper.SetTimedKeepAwake(time, LogCompletedKeepAwakeThread, LogUnexpectedOrCancelledKeepAwakeThreadCompletion, displayOn);
}
private static void LogUnexpectedOrCancelledKeepAwakeCompletion()
private static void LogUnexpectedOrCancelledKeepAwakeThreadCompletion()
{
var errorMessage = "The keep-awake thread was terminated early.";
_log.Info(errorMessage);
_log.Debug(errorMessage);
}
private static void LogTimedKeepAwakeCompletion(bool result)
private static void LogCompletedKeepAwakeThread(bool result)
{
_log.Info($"Completed timed keep-awake successfully: {result}");
}
private static void ResetNormalPowerState()
{
bool success = APIHelper.SetNormalKeepAwake();
if (success)
{
_log.Info("Returned to normal keep-awake state.");
}
else
{
var errorMessage = "Could not return to normal keep-awake state.";
_log.Info(errorMessage);
_log.Debug(errorMessage);
}
_log.Info($"Exited keep-awake thread successfully: {result}");
}
}
}